ee Halla: Normal living girl. Has two older brothers both are twins. She has a best friend name Jessica. Funny, the youngest in her family. Has a crush on V.

Jessica: Halla's one and only best friends. She has no siblings. Hate Girls Generation. Tough. She and Halla take each other like sisters.

Xiumin/Jimin: Twins. Halla's older brothers. They take really good care of Halla. Jimin always care for Halla when she gets hurt. Xiumin makes her cry but still loves her.

Exo: A group of new students. Best friends. They use to knew Jessica. Gets really close to Jessica again and with Halla. 

Snsd:  They are new to the school like Exo. Really rude to Halla since she's friends with Jessica.  Tiffany is dating Xiumin.(I know they don't make a good couple)